Final report :  future atc system description atc facilities and interfaces 1980-1990 / 
United States, Department of Transportation 
 - Washington, D.C. :  U.S. Government Printing Office,  1981 
 - Various pagings :  ill., maps. ;  28 cm. 
<br/><br/> DOT/ FAA/ RD-81/ 17/MTR-81 WB 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User interfaces (Computer systems)<br/>System design
<br/><br/><label>Dewey Class. No.: </label>005.1028